/*
 * This is Melet, a salary slip designer. Feed it with data regarding to salary payment, prepare it for print through the graphical presentation, and you have it done.
 * Copyright (C) 2014, AFDiaX
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * This program is based on UMLet, a Free UML Tool for Fast UML Diagrams.
 * To contact the authors of UMLet visit https://code.google.com/p/umlet/people/list
 * To contact the authors of Melet visit https://gna.org/users/gabocze
 */
package com.baselet.gui.listener;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseWheelEvent;
import java.awt.event.MouseWheelListener;

import javax.swing.JComboBox;

import com.baselet.control.Main;
import com.baselet.gui.CurrentGui;

public class PaletteComboBoxListener implements ActionListener, MouseWheelListener {

	@Override
	public void actionPerformed(ActionEvent e) {
		if (e.getSource() instanceof JComboBox) {
			String paletteName = ((JComboBox) e.getSource()).getSelectedItem().toString();
			CurrentGui.getInstance().getGui().showPalette(paletteName);
			setZoom();
		}
	}

	@Override
	public void mouseWheelMoved(MouseWheelEvent e) {
		if (e.getSource() instanceof JComboBox) {
			JComboBox comboBox = (JComboBox) e.getSource();
			int newIndex = comboBox.getSelectedIndex() + e.getWheelRotation(); // wheelrotation is -1 (up) or +1 (down)
			if (comboBox.getItemAt(newIndex) != null) {
				String newSelectedItem = comboBox.getItemAt(newIndex).toString();
				CurrentGui.getInstance().getGui().showPalette(newSelectedItem);
				comboBox.setSelectedIndex(newIndex);
				setZoom();
			}
		}
	}

	private void setZoom() {
		if (Main.getInstance().getPalette() != null) {
			int factor = Main.getInstance().getPalette().getGridSize();
			CurrentGui.getInstance().getGui().setValueOfZoomDisplay(factor);
		}
	}

}
